EUP9261 Datasheet PDF | Eutech Microelectronics

Eutech Microelectronics EUP9261

The EUP9261 series are lithium-ion/lithium polymer rechargeable battery protection ICs incorporating high-accuracy voltage detection circuit and delay circuit. The EUP9261 series are suitable for protection of single-cell lithium-ion/lithium polymer battery packs from overcharge, overdischarge and overcurrent.

Part No.	EUP9261
Datasheet	EUP9261 Download
Manufacturer	Eutech Microelectronics
Description	LI-ION/POLYMER ONE CELL PROTECTOR
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DESCRIPTION

FEATURES

z z Absolute maximum rating of 30V for the charger connection pins(VM and CO) Highly accurate voltage detector………….Overcharge detection (Topt=+25°C) (Topt=-5 to 55°C) ±25mV ±30mV ±25mV ±50mV ±15mV ±100mV Overcharge hysteresis Overdischarge detection Overcurrent 1 detection Overcurrent 2 detection z Variety of detector………………………… Overcharge detection Overcharge hysteresis Overdischarge detection Overdischarge hysteresis Overcurrent 1 detection Overcurrent 2 detection 3.9V-4.4V step of 5mV 0.0V-0.4V*1 step of 50mV 2.0V-3.0V step of 10mV 0.0V-0.7V*2 step of 100mV 0.03V-0.3V step of 10mV 0.5V *1 Overcharge release voltage=Over detection voltage-Overcharge hysteresis voltage *2 Overdischarge release voltage = Overdischarge detection voltage-Overdischarge hysteresis voltage. z z z z z Delay times internally generated. Accuracy : ±30%. (overcharge: tCU, overdischarge: tDL, overcurrent 1: tlOV1, overcurrent 2: tlOV2) Three-step overcurrent detection circuit is included.(overcurrent 1,overcurrent 2 and load short – circuiting) Charger detection function and abnormal charge current detection function, included.